Showing papers in "International Communications in Heat and Mass Transfer in 1988"

TL;DR: In this paper, the problem of natural convection of a non-Newtonian fluid about a horizontal isothermal cylinder and an isothermal sphere in the porous medium is considered.

TL;DR: In this article, a two-dimensional heat function formulation to study the net energy distribution pattern in the field of laminar natural convection within a square cavity, differentially-heated in the vertical direction, is presented.

TL;DR: In this article, the authors present results from a numerical study of transient natural convection between vertical parallel plates, where two boundary conditions (uniform wall temperature and uniform heat flux) are considered.

TL;DR: Condensation par convection naturelle, convection forcee, condensation avec gouttes and condensation sur les tubes a ailettes as discussed by the authors, a.k.a.

TL;DR: In this article, the second law of thermodynamics has been applied to the determination of the entropy production for the enhancement of heat-transfer surfaces in order to develop a criterion to assess the heat transfer performance.

TL;DR: In this article, a theoretical model for the thermal dispersion conductivities of a non-uniform porosity packed bed, based on the method of volumetric averaging of the velocity and temperature deviations in the pores, is proposed.

TL;DR: In this paper, an implicit finite difference method is used to analyze the natural convection boundary layer flow in a saturated porous medium resulting from combined heat and mass buoyancy effects adjacent to an inclined surface.

TL;DR: In this paper, the role of surface tension force plays in draining the condensate from the fin, and in retaining condensates within the interfin region of finned tubes.

TL;DR: In this article, the Laplace transform is used to find the hyperbolic heat conduction in a semi-infinite medium with surface radiation, and a nonlinear Volterra equation is used for the surface temperature.

TL;DR: This paper reviewed the response to those questions over the intervening years, and tried to pose questions that define what is unknown today, including what was not understood about nucleate boiling at the time.

TL;DR: In this paper, the heat transfer coefficient for an immersed five tube bundle in a two-phase (air-water) bubble column is measured as a function of air velocity and other relevant parameters.

TL;DR: In this article, a finite element model to predict temperature distribution in heat exchangers is reported. But the model can be effectively used to analyse and design the heat exchanger with complex flow arrangements for which no regular design procedure is available.

TL;DR: In this paper, the boiling performance of regularly microconfigured surface structures on silicon substrates was reported, over the flux range from 0.2 to 70 W/sq.cm.

TL;DR: In this article, heat transfer in laminar, fully-developed tube flow is analyzed with consideration of axial conduction in both the tube wall and in the fluid. And the effect on conjugate heat transfer of the Peclet number, conductance parameter and thickness of the wall are shown by the results.

TL;DR: In this paper, the effect of natural convection on the melting of a flat front in a porous matrix when the melt is a non-Newtonian (power law) fluid was investigated.

TL;DR: In this article, a three-dimensional computer model is used to calculate the convective flow in a 400 W high-pressure Hg discharge lamp, and the model gives the expected axisymmetric flow when the arc tube axis is vertical, and more complex three dimensional flows when it is not.

TL;DR: In this paper, a discussion of the application of nucleate pool boiling to the cooling of microelectronic devices is discussed. But, the authors do not discuss the applications of this technology to microelectronics.

TL;DR: In this article, the fundamental inconsistency that arises when Fick's law is invoked to describe the diffusion of constituents in a region of mized phase is highlighted, and it is pointed out that the inconsistency arises when the diffusion is described by a fixed number of constituents.

TL;DR: In this article, the effect of absorbate concentration level on the transfer rates was elucidated with reference to film hygroscopic condensation (of cold low pressure vapor on concentrated hot brine).

TL;DR: In this article, the effects of latent heat transfer associated with liquid film vaporization on the heat transfer in the laminar forced convection channel flows were examined for an air-water system under various conditions.

TL;DR: In this article, the development of an improved model based on molecular diffusion of water vapor, energy and mass balances as well as equations of state was presented and discussed to predict frost formation growth.

TL;DR: In this paper, the transient flow behavior in a single-tube condenser is analyzed with a void fraction propagation equation using the method of characteristics, and solutions are obtained for the responses of void fraction and outlet flowrate to sudden changes of (1) the wall heat flux and (2) the inlet vapor flow.

TL;DR: In this paper, the authors developed a transient numerical model to predict the characteristics of annular two-phase flow with entrainment, which is based on finite volume mass, momentum and energy balances.

TL;DR: In this paper, pressure-drop measurements were made in an ice-water slurry flowing in a 102.3 mm diameter horizontal pipe, and a correlating parameter was presented for application in the plug flow regime which was reached at ice fractions above 8 to 10%.

TL;DR: In this paper, a penalty finite element method with 9-node quadrilateral element and Newton-Raphson scheme is adopted to solve the heat transfer coefficients of three different baffle locations and two different height and baffle heights.

TL;DR: In this paper, the current state of two-phase flow regime prediction in heat exchangers is surveyed, and suggestions for good design practice are given, as well as a survey of the literature.

TL;DR: In this article, the authors introduce a concept of admissible system perturbation as a general principle of destabilization of wall shear flows, which leads to the development of a single criterion which quantifies conditions for onset of turbulence and establishes an upper bound for the wall sublayer scales.

TL;DR: In this article, a method for post dryout mist flow forced convection heat transfer is presented and compared with other methods and with data for round tubes and rod bundles for rod bundles.

TL;DR: In this article, the wall temperature profile of a power law fluid in laminar flow in a circular tube was developed for the boundary condition involving uniformly constant heat flux at the wall.

TL;DR: In this paper, it was shown that boiling heat transfer does not require temperatures remotely approaching the 10,000?F. surface temperature of the sun, which is equivalent to the energy flux from the surface of the Sun.